/Engine/Source/Runtime/SlateCore/Public/Textures/TextureAtlas.h
struct FCopyRowData
uint8 *
DestData
Place to copy data to
uint32
DestRow
The row number to copy to
uint32
DestTextureWidth
The width of the dest texture
uint32
RowWidth
The width of a source row
const uint8 ...
SrcData
Source data to copy
uint32
SrcRow
The row number to copy
uint32
SrcTextureWidth
The width of the source texture